What requirements are included in non-functional?

Performance, reliability, usability, security, scalability, maintainability, accessibility (for people with disabilities), portability, and compatibility requirements.

• Performance: Response time, throughput, resource utilization.
• Reliability: Absence of failures, ability to recover after errors, availability.
• Usability: Interface clarity, ease of learning, user satisfaction.
• Security: Data protection, authentication, authorization, resistance to attacks.
• Scalability: System's ability to grow with data volume and users.
• Maintainability: Ease of fixing errors, making changes, adding new features.
• Accessibility: Compliance with accessibility standards for people with disabilities (e.g., WCAG).
• Portability: Ability for the system to operate in different environments (operating systems, devices).
• Compatibility: Interaction with other systems, data formats, protocols.